Middle-Flow Dialysis, Effective Surface Area Of ​​The Membrane: 1.4-1.5 M², Ultrafiltration Coefficient Of 15-40 Ml/H; Dialyiator Middle Flow, Effective Surface Surface Area: 1.6-1.7 M², Ultrafiltration Coefficient 15-40 Ml/H; Middle Drug Dialyzer, Effective Surface Area ... Still